【文章內(nèi)容簡介】
somebody tells them who the criminals are. They find other criminals by using science and their puters. When there is a bank robbery, the police first look t 1 their puters for the names of the bank robbers that they know about. Then they go and talk to any of these robbers who are not in p 2 .They ask them where they were when the robbery happened. If any of these people cannot give a good a 3 , the police will often use science to find out if one of them is the robber. Many criminals leave something of themselves at the places of the c 4 like a fingerprint or a hair. Or they take something away on their s 5 or clothes, like dirt or animal ha